//
//  StatusCell.swift
//  SinaWeibo
//
//  Created by apple on 15/11/14.
//  Copyright © 2015年 apple. All rights reserved.
//

import UIKit
import SnapKit

let StatusCellMargin: CGFloat = 12
let StatusCellIconWitdth: CGFloat = 35

class StatusCell: UITableViewCell {

    //原创微博底部约束  用来记录底部约束  后续根据是否有配图 来动态修改
    var bottomConstraints: Constraint?
    
    //数据模型
    var status: Status? {
        didSet {
            //设置原创微博的数据模型
            originalView.status = status
            
            // 移除约束
            self.bottomConstraints?.uninstall()
            //设置转发微博的数据模型
            if let re = status?.retweeted_status {
                //设置数据源
                retweetedView.retweetedStatus = re
                //设置显示
                retweetedView.hidden = false
                bottomView.snp_updateConstraints(closure: { (make) -> Void in
                    self.bottomConstraints = make.top.equalTo(retweetedView.snp_bottom).constraint
                })
            } else {
                
                //设置隐藏
                retweetedView.hidden = true
                bottomView.snp_updateConstraints(closure: { (make) -> Void in
                    self.bottomConstraints = make.top.equalTo(originalView.snp_bottom).constraint
                })
            }
            
        }
    }
    
    override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        selectionStyle = .None
        setupUI()
    }

    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    //设置UI
    private func setupUI() {
        //添加子视图
        contentView.addSubview(originalView)
        contentView.addSubview(retweetedView)
        contentView.addSubview(bottomView)
        
        //设置约束信息
        originalView.snp_makeConstraints { (make) -> Void in
            make.top.equalTo(contentView.snp_top)
            make.left.equalTo(contentView.snp_left)
            make.right.equalTo(contentView.snp_right)
        }
        
        retweetedView.snp_makeConstraints { (make) -> Void in
            make.top.equalTo(originalView.snp_bottom)
            make.left.equalTo(originalView.snp_left)
            make.right.equalTo(originalView.snp_right)
        }
        
        //设置约束
        bottomView.snp_makeConstraints { (make) -> Void in
            make.left.equalTo(contentView.snp_left)
            self.bottomConstraints = make.top.equalTo(retweetedView.snp_bottom).constraint
            make.right.equalTo(contentView.snp_right)
            make.height.equalTo(40)
        }
        
        //容器视图的底部约束 是自动计算行高关键
        contentView.snp_makeConstraints { (make) -> Void in
            //contentView 底部约束 是最关键的一点
            make.bottom.equalTo(bottomView.snp_bottom)
            make.top.equalTo(self.snp_top)
            make.left.equalTo(self.snp_left)
            make.right.equalTo(self.snp_right)
        }
    }
    
    //懒加载控件
    private lazy var originalView: StatusOriginalView = StatusOriginalView()
    
    private lazy var bottomView: StatusCellBottomView = StatusCellBottomView()
    
    private lazy var retweetedView: ReweetedStatusView = ReweetedStatusView()
}
